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a14445d6f3
On a database NexusDashboard (or a server's own changes) already migrated, 29, 30 and 40 logged an error for every column that was already there, and 40 and 57 added a second index on columns MariaDB had already indexed for the inline REFERENCES foreign keys of 0_initial.sql. Add those columns and indexes only when information_schema says they are missing. 40 also gives pet_names.owner_id values written before 23_store_character_id_as_objectid.sql the persistent bit, as 23 did for every other character id column, so they match characters. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
53 lines
3.8 KiB
SQL
53 lines
3.8 KiB
SQL
/*
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* Indexes for lookups by owner/parent that otherwise scan the whole table: a property's models (and the model count
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* on every property list row), a character's properties, an account's characters, a play key's accounts, friends
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* both ways, a character's mail, a leaderboard's scores, and the dashboard's per-character/account related data.
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* Whether the columns' inline REFERENCES clauses in 0_initial.sql made a foreign key (and with it an index) depends on
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* the server: MySQL before 9.0 ignores them, MariaDB 10.5 and later creates them. So each index on such a column is
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* only created when no index starts with that column yet; a second one would only slow down writes.
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*/
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX properties_contents_property ON properties_contents (property_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'properties_contents' AND column_name = 'property_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX properties_contents_ugc ON properties_contents (ugc_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'properties_contents' AND column_name = 'ugc_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX properties_owner ON properties (owner_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'properties' AND column_name = 'owner_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX charinfo_account ON charinfo (account_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'charinfo' AND column_name = 'account_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX accounts_play_key ON accounts (play_key_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'accounts' AND column_name = 'play_key_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX friends_friend ON friends (friend_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'friends' AND column_name = 'friend_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX mail_receiver ON mail (receiver_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'mail' AND column_name = 'receiver_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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SET @dlu_index = (SELECT IF(COUNT(*) = 0, 'CREATE INDEX player_cheat_detections_account ON player_cheat_detections (account_id)', 'DO 0') FROM information_schema.statistics
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WHERE table_schema = DATABASE() AND table_name = 'player_cheat_detections' AND column_name = 'account_id' AND seq_in_index = 1);
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PREPARE dlu_index_stmt FROM @dlu_index;
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EXECUTE dlu_index_stmt;
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DEALLOCATE PREPARE dlu_index_stmt;
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CREATE INDEX leaderboard_game ON leaderboard (game_id, character_id);
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CREATE INDEX bug_reports_reporter ON bug_reports (reporter_id);
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CREATE INDEX economy_flags_character ON economy_flags (character_id, id);
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CREATE INDEX chat_log_recipient ON chat_log (recipient_id);
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